Mary C.

asked • 09/06/19

i need help with this function

consider the function:

y={1 if x is rational

0 if x is irrational

( both are inside bracket but couldnt type it like that)

Answer one of the following questions:

(1) Is this a function?

(2) What is its domain?

(3) What is its range?

(4) What is its y-intercept, if any?

(5) What are its x-intercepts, if any?

(6) Is it even, odd, or neither?

(7) How would you describe its graph?

2 Answers By Expert Tutors


Still looking for help? Get the right answer, fast.

Ask a question for free

Get a free answer to a quick problem.
Most questions answered within 4 hours.


Find an Online Tutor Now

Choose an expert and meet online. No packages or subscriptions, pay only for the time you need.